Question

这个java程序不能显示第一个按钮上的图片，并且还不能实现按钮的功能，但是代码是完好的。。。

帮忙看一下
第一个按钮是JButtonTrans类的，不能显示，也似乎没有被监听
第二、三个按钮式JButton类的，可以显示
怎样才能让我的三个按钮上都能显示图片，并且能被监听，实现点击按钮JTextField能被更改的效果。。。

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class simple extends JFrame{

ImageIcon dog=new ImageIcon("images/dog.jpg");
ImageIcon cat=new ImageIcon("images/cat.jpg");
ImageIcon pig=new ImageIcon("images/pig.jpg");
JButtonTrans a=new JButtonTrans(dog);
JButton b=new JButton(cat);
JButton c=new JButton(pig);
JTextField d=new JTextField("do you think what are you?");

simple(){
super("simple");
setSize(300,170);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel aa=new JPanel();
aa.setLayout(new GridLayout(1,3,10,10));
aa.add(a);
aa.add(b);
aa.add(c);

JPanel bb=new JPanel();
bb.setLayout(new GridLayout(2,1));
d.setFont(new Font(null,1,14));
d.setHorizontalAlignment(JTextField.CENTER);
d.setEditable(false);
bb.add(d);
bb.add(aa);
setContentPane(bb);
setVisible(true);
}

class JButtonTrans extends JButton implements MouseListener{
JButton a;

JButtonTrans(ImageIcon aa){
a=new JButton(aa);
a.addMouseListener((MouseListener) this);
}

public void mouseClicked (MouseEvent e){
if(e.getSource() instanceof JButton){
if(e.getSource()==dog){
d.setText("you are a stupid dog");
}
else if(e.getSource()==cat){
d.setText("you are a stupid cat");
}
else{
d.setText("you are a stupid pig");
}
}
}

@Override
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub

}

@Override
public void mouseExited(MouseEvent arg0) {
// TODO Auto-generated method stub

}

@Override
public void mousePressed(MouseEvent e) {
if(e.getSource() instanceof JButton){
if(e.getSource()==dog){
d.setText("you are a stupid dog");
}
else if(e.getSource()==cat){
d.setText("you are a stupid cat");
}
else{
d.setText("you are a stupid pig");
}
}
}

public void mouseReleased(MouseEvent arg0) {
// TODO Auto-generated method stub

}
}
public static void main(String arg[]){
JFrame a=new simple();
}
}

Answer 1

JButtonTrans这就是一个Button,Button 里面你又建基旦了一个JButton a;
请问去哪找搏启扰,应该是 ... 你才旁源是傻狗呢